Help Center/ GaussDB/ Developer Guide(Centralized_V2.0-8.x)/ System Catalogs and System Views/ System Catalogs/ Logical Decoding/ GS_LOGICAL_ATTRDEF

Updated on 2025-05-29 GMT+08:00

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GS_LOGICAL_ATTRDEF

GS_LOGICAL_ATTRDEF records the default values of storage columns required for logical decoding.

**Table 1** GS_LOGICAL_ATTRDEF columns
Column	Type	Description
adid	oid	Identifier of an attribute descriptor.
adrelid	oid	OID of the table.
adnum	smallint	Attribute number.
csnmin	bigint	CSN when a tuple is inserted.
csnmax	bigint	CSN when a tuple is updated or deleted.
createtime	timestamp with time zone	Timestamp when a tuple is inserted.
originid	integer	Source identifier of a tuple.
dbnode	oid	Database OID.
adbin	pg_node_tree	Expression of the default value.
adgencol	"char"	Specifies whether a column is a GENERATED column.

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